In an oxidizing atmosphere it is indifferent to silica, and therefore siliceous bricks containing a considerable proportion of ferric oxide, when used in flues of boilers, brewers' coppers, &c. and similar situations, are perfectly fire-resisting so long as the heated gas contains a large proportion of unconsumed air.
The damn thing might as well had a sign on it, saying, hey, coppers, here I am!
He hadn't been able to steal enough coppers to replace even her boots and almost sighed.
The revolutionaries went about among the excited people with baskets, begging coppers for their destitute and miserable governor.
The process of soap-boiling is carried out in large iron boilers called " soap pans " or " coppers," some of which have capacity for a charge of 30 tons or more.
Commercial coppers sometimes owe their good qualities to this compensating influence.
He looked at the bright, yellow pieces and said, "What shall I do with these coppers, mother?"